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【简答题】
用无可锻性铸铁制的阴沟盖
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题目标签:
沟盖
可锻性
阴沟
参考答案:
参考解析:
刷刷题刷刷变学霸
举一反三
【单选题】Without proper planning, tourism can cause problems.For example, too many tourists can(面性)crowd public places that are also enjoyed by the inhabitants of a country.If tourists create too much traffic,...
A.
It is extremely important to develop tourism.
B.
Building roads and hotels is essential.(必不可少的)
C.
Support facilities are highly necessary.
D.
Planning is of great importance to tourism.
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【简答题】低碳钢可锻性良好,奥氏体钢可锻性()。
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【判断题】影响可锻性的因素有硬度和强度。
A.
正确
B.
错误
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【单选题】明沟和阴沟哪个可以更深一些
A.
明沟
B.
阴沟
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【单选题】下列可锻性最好的铁碳合金是( )。
A.
亚共析钢
B.
共晶白口铸铁
C.
亚共晶白口铸铁
D.
过共析钢
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【简答题】用无可锻性铸铁制的阴沟盖
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【单选题】In department stores and closets all over the world, they are waiting. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ulti...
A.
see through the very nature of fashion myths
B.
boycott the products of the fashion industry
C.
go to a podiatrist regularly for advice
D.
avoid following fashion too closely
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【单选题】可锻性好坏取决于材料的()。
A.
塑性与变形抗力
B.
硬度与强度
C.
塑性与硬度
D.
硬度与刚度
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【单选题】In department stores and closets all over the world, they are waiting. Their outward appearance seems rather appealing because they come in a variety of styles, textures, and colors. But they are ulti...
A.
The multi-functional use of high heels.
B.
Their attempt to show off their status.
C.
The rich variety of high heel styles.
D.
Their wish to improve their appearance.
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【单选题】下列金属中可锻性(或锻造性)最好的是( )
A.
低碳钢
B.
中碳钢
C.
高碳钢
D.
铸铁
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